package com.clstu.modifier;

import java.sql.SQLOutput;

public class A {//类的修饰符只有默认和public，其他的都不可以修饰
    public int n1=100;
    protected int n2=100;
    int n3=300;
    private int n4=400;

    public  void m() {
        System.out.println(n1+"  "+n2+"  "+n3+"  "+n4);
    }

}
